Isochilus major Cham.& Schltdl. 1831

Photo by © Brian Ramsey


Photo courtesy of Dale and Deni Borders.

Another Angle of Inflorescence

Photo by Dowery Orchids Website.


Common Name The Large Isochilus

Flower Size to almost 1/2" [to almost 1.25 cm]

This is a medium sized, hot to cool, pendant growing plant from Mexico, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, Panama as well as Colombia and is found on trees in damp mixed forests at an elevation of 1400-1900 meters with an erect, terete stem enveloped basally by several tubular sheaths and above larger lanceolate, bilobed apically, basally clasping leaves, spotted leaf sheaths and blooms on a terminal, pendulous, racemsose, several flowered inflorescence which is half covered by the upper leaves occuring throughout the year. Otherwise it is very similar to I linearis.


References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 27 No 6 1958; The Orchids of Panama L.O. Williams & P Allen 1946 drawing oh; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 44 #9 1975 drawing fide; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 8 449 - 512 Brieger, Maatsch and Senghas 1976 drawing ok; Las Orquedias De El Salvador Vol 2 Hamer 1974 as drawing/photo okish; AOS Bulletin Vol 48 No 5 1979; Orquídea (Mexico City), n.s., 7[3]: 1979; Las Orquedias de El Salvador Vol 3 Hamer 1981 drawing good; Icones Planetarum Tropicarum Plate 788 Dodson 1982 drawing good; Selbyana Vol 10 Orchids of Central America Hamer 1988 drawing good; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; Orchid Australia Vol 11 No 6 1999 photo; Australian Orchid Review Vol 66 No 3 2001 photo; AOS Bulletin Vol 76 #10 2007 photo fide; Orchid Digest Vol 78 #4 2014 photo fide; Orchid Digest Vol 82 #2 2018 Photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018; Orchid Digest Vol 83 #2 2019 photo fide;